Comment on hess-2023-42 DOI Creative Commons
Yulei Ma, Yü Liu,

JesÃos Rodrigo-Comino

и другие.

Опубликована: Март 6, 2023

Abstract. Vegetation restoration is one of the most effective measures to control runoff and sediment by human management. Nevertheless, few studies have been undertaken objectively analyze effectiveness effects plant on regional water availability, especially, in mixed-cultivated grasslands alpine degraded hillsides. In this research, we carried out in situ monitoring using micro-plots investigate impact three strategies, combining two grass species per plot (three total), a 20-degree slope activation volume surface soil loss hillsides for years (2019, 2020 2022). A bare-soil was used as control. The findings indicated that can effectively conserve decrease along increasing planting ages. Grass community Deschampsia cespitosa Poa pratensis L.cv. Qinghai reducing erosion. From 2019 2022, values reduction ratio decreased Elymus nutans (DE), (PE), (PD) from -79.3 % -115.4 %, -130.4 -156.1 -48.5 -87.6 respectively. On contrary, mean erosion cultivated communities increased -184.8 18.0 (in DE), -231.5 24.3 PE), -139.3 31.9 PD), respectively, 2022; corresponding concentration also -120.9 55.8 -from 112.4 59.7 -94.3 62.1 PD). This implied protection should be considered priority during initial stage grassland key factors affecting were rainfall amount, duration intensity (60-min intensity). We conclude results study serve scientific guides design efficient policy decisions planning vegetation severely hillside grasslands.

Язык: Английский

Divergent successions increase soil water recharge capacity accompanied by higher evapotranspiration in alpine meadow DOI

Zeng Cui,

David Dunkerley, Jingxue Zhao

и другие.

CATENA, Год журнала: 2023, Номер 233, С. 107514 - 107514

Опубликована: Сен. 11, 2023

Язык: Английский

Процитировано

5
Divergent shift of normal alpine meadow exacerbated soil loss of hillslope alpine meadows based on field experiments DOI Creative Commons

Yulei Ma,

Yifan Liu, Yunyun Ban

и другие.

International Soil and Water Conservation Research, Год журнала: 2023, Номер 12(3), С. 565 - 577

Опубликована: Ноя. 25, 2023

Global climate change and overgrazing are driving shifts in the plant composition of grassland communities, which may profoundly affect function ecosystems regulating runoff soil erosion. Here, we examined shift effects normal hillslope alpine meadow to shrub severely degraded states on sediment generation under natural rainfall conditions, determined contributions properties changes erodibility, by situ experiment monitoring Qinghai-Tibetan Plateau. The results showed that into state, mean weight diameter, saturated hydraulic conductivity, cohesion erodibility K-factor at topsoil decreased 70.3%, 73.1%, 80.3% −13.1%, respectively, when meadows they reduced 49.1%, −1.3%, 49.4%, −8.3%, respectively. Runoff loss significantly changed - 40.0% 177.8% shifted a while + 65.0% +77.8% state. Our findings highlight two divergent both increased compared meadows. Overall, our indicate exacerbated These obtained here offer novel perspective regulation erosion ecosystem.

Язык: Английский

Процитировано

4
Investigating Soil Water Retention and Water Content in Retrogressive Thaw Slumps in the Qinghai-Tibet Plateau, China DOI Open Access

Haitao Sun,

Pei Wang,

Yuhua Xing

и другие.

Water, Год журнала: 2024, Номер 16(4), С. 571 - 571

Опубликована: Фев. 15, 2024

Retrogressive thaw slumps (RTSs) are becoming more common on the Qinghai-Tibet Plateau as permafrost thaws, but hydraulic properties of have not been extensively studied. To fill this knowledge gap, we used “space-for-time substitution method” to differentiate three stages RTSs: original grassland, collapsing, and collapsed. Our study included on-site investigations, measurements in laboratory, measured simulated analyses soil water retention curves estimated hydrological properties. findings show that were highly consistent across RTSs, indicating accuracy Van Genuchten model reproducing parameters for different RTSs. The grassland stage had highest content due its high organic carbon (SOC) fine-textured micropores. In contrast, collapsed higher compared collapsing stage, primarily increased proportions micropores, SOC content, lower bulk density (BD). From there significant changes structure each RTS site, which resulted a decrease an increase BD general. However, absence compaction led subsequent accumulation matter, increasing content. Changes field capacity, permanent wilting point, micropore distribution aligned with variations These highlight importance managing mitigate adverse effects freeze-thaw cycles stability at collapse Effective management strategies may include incorporating reducing compaction, maintaining optimal Further research is needed determine most suitable practices types environmental conditions.

Язык: Английский

Процитировано

1
Severe degradation and artificial restoration diversely drive runoff and sediment processes in alpine meadows DOI Creative Commons
Jia-Xin Qian, Di Wang, Lirong Zhao

и другие.

Geoderma, Год журнала: 2024, Номер 443, С. 116828 - 116828

Опубликована: Фев. 21, 2024

Artificial grassland is considered an effective measure for restoring severely degraded in alpine areas and has been widely applied on the Qinghai-Tibetan Plateau. However, specific effects of artificial restoration degradation slope runoff sediment yield are still poorly understood. In this study, we investigated process three areas: meadow (AM), a (BL), that was restored by (AG). Our findings revealed AG significantly lower than both AM BL, with reductions 95.59% 88.40%, respectively. The reduced, 21.77% 90.54% compared to Nevertheless, concentration 27.22 3.26 times higher study provides clear evidence plant soil properties play crucial role driving erosion processes BL. Specifically, inhibiting yield. This inhibition attributed modification conditions interception rainfall, which were facilitated recovery vegetation coverage increased input organic matter. These have significant implications meadows prevention efforts

Язык: Английский

Процитировано

1
Mixed-cultivation grasslands enhance runoff generation and reduce soil loss in the restoration of degraded alpine hillsides DOI Creative Commons

Yulei Ma,

Yifan Liu, Jesús Rodrigo‐Comino

и другие.

Hydrology and earth system sciences, Год журнала: 2024, Номер 28(16), С. 3947 - 3961

Опубликована: Авг. 28, 2024

Abstract. Vegetation restoration is among the most effective measures for controlling runoff and soil erosion resulting from human activities. Nevertheless, few studies have been undertaken to analyze effects of grassland on maintaining local runoff, especially alpine degraded hillsides where mixed-cultivation grasslands predominate. In this research, plots were established investigate impact three grasslands, each sowing two grass species per plot a 20° slope: Deschampsia cespitosa Elymus nutans (DE), Poa pratensis L. cv. Qinghai (PE), (PD). The activation volume surface magnitude loss over 3 years (2019, 2020, 2022) assessed. A severely meadow (SDM) was used as control. findings indicated that can effectively maintain reduce planting age increases. Between 2019 2022, values average depth DE, PE, PD, SDM 0.47, 0.55, 0.45, 0.27 mm, respectively. Despite increase in favored conservation: net losses unit area 1.4, 1.3, 1.9 times greater than those key factors affecting rainfall amount, duration, intensity (60 min intensity). We conclude results study serve scientific guides formulate efficient policy decisions planning vegetation hillside meadows. To improve effectiveness restoration, we suggest protective should be prioritized during initial stage cultivated grasslands.

Язык: Английский

Процитировано

0
Regulating effects of mixed cultivated grasslands in surface water conservation and soil erosion reduction along with restoration of alpine degraded hillsides DOI Creative Commons
Yulei Ma, Yü Liu, Jesús Rodrigo‐Comino

и другие.

Опубликована: Фев. 27, 2023

Abstract. Vegetation restoration is one of the most effective measures to control runoff and sediment by human management. Nevertheless, few studies have been undertaken objectively analyze effectiveness effects plant on regional water availability, especially, in mixed-cultivated grasslands alpine degraded hillsides. In this research, we carried out situ monitoring using micro-plots investigate impact three strategies, combining two grass species per plot (three total), a 20-degree slope activation volume surface soil loss hillsides for years (2019, 2020 2022). A bare-soil was used as control. The findings indicated that can effectively conserve decrease along increasing planting ages. Grass community Deschampsia cespitosa Poa pratensis L.cv. Qinghai reducing erosion. From 2019 2022, values reduction ratio decreased Elymus nutans (DE), (PE), (PD) from -79.3 % -115.4 %, -130.4 -156.1 -48.5 -87.6 respectively. On contrary, mean erosion cultivated communities increased -184.8 18.0 (in DE), -231.5 24.3 PE), -139.3 31.9 PD), respectively, 2022; corresponding concentration also -120.9 55.8 -from 112.4 59.7 -94.3 62.1 PD). This implied protection should be considered priority during initial stage grassland key factors affecting were rainfall amount, duration intensity (60-min intensity). We conclude results study serve scientific guides design efficient policy decisions planning vegetation severely hillside grasslands.

Язык: Английский

Процитировано

1
Herbs perform better than woody plants at improving soil hydrological properties in rubber agroforestry systems DOI
Enfu Lu, Bin Yang, Wenjie Liu

и другие.

Agroforestry Systems, Год журнала: 2023, Номер 97(8), С. 1391 - 1404

Опубликована: Июнь 17, 2023

Язык: Английский

Процитировано

1
Assessment of surface ozone production in Qinghai, China with satellite-constrained VOCs and NOx emissions DOI
Wen Li, Han Xiao, Jialin Li

и другие.

The Science of The Total Environment, Год журнала: 2023, Номер 905, С. 166602 - 166602

Опубликована: Сен. 1, 2023

Язык: Английский

Процитировано

1
Investigating Soil Water Retention and Hydrological Properties in Retrogressive Thaw Slumps in the Qinghai-Tibet Plateau, China DOI Open Access

Haitao Sun,

Pei Wang,

Yuhua Xing

и другие.

Опубликована: Ноя. 23, 2023

Retrogressive thaw slumps (RTSs) are becoming more common on the Qinghai-Tibet Plateau as permafrost thaws, but hydraulic characteristics of these have not been extensively studied. To fill this knowledge gap, we used ''space-for-time substitution method'' to differentiate three stages RTSs: original grassland, collapsing, and collapsed. Our study included on-site investigations, measurements, simulated analyses soil water characteristics, environmental factors, hydrological properties. findings show that measurements were highly consistent across RTSs, indicating accuracy V-G model in reproducing parameters for different RTSs. The grassland stage had highest retention content due its high SOM fine-textured micropores. In contrast, collapsed higher compared collapsing stage, primarily increased proportions micropores, content, lower bulk density (BD). Freeze-thaw cycles a significant impact texture structure resulting decrease an increase BD. However, absence compaction led subsequent accumulation organic matter, increasing content. Changes field capacity (FC), permanent wilting point (PWP), micropore distribution aligned with variations content.These highlight importance managing mitigate adverse effects freeze-thaw stability at Effective management strategies may include incorporating reducing compaction, maintaining optimal Further research is needed determine most suitable practices types conditions.

Язык: Английский

Процитировано

1
Warming positively promoted community appearance restoration of the degraded alpine meadow although accompanied by topsoil drying DOI
Gao‐Lin Wu, Jingxue Zhao

Oecologia, Год журнала: 2023, Номер 204(1), С. 25 - 34

Опубликована: Дек. 7, 2023

Язык: Английский

Процитировано

1